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Germination and Antioxidant Activity of Actinidia Pollen Treated with Medicinal Mushrooms In
Bee pollen is rich in various nutrients and called as natural complete food. Bee pollens of acorn (Quercus acutissima) and actinidia (Actinidia arguta) are the most collected in Korea. But stiff pollen wall hinders dissolution of polysaccharides and lowers extraction efficiency. Thus, we measured antioxidant activity as DPPH radical scavenging and the total polyphenol content of pulverized and lyophilized actinidia pollens inoculated with fungi to confirm the husk removal effect. The total polyphenol content of actinidia pollen was highest in lyophilized pollen medium inoculated with Armillaria mellea, and was lowest in pollen inoculated with Lentinula edodes. Total polyphenol content of the lyophilized pollen was higher than that of the refined pollen and the pulverized pollen in actinidia pollen germinated with A. mellea. The total polyphenol content of the lyophilized actinidia pollen germinated with A. mellea was 1.4-fold higher than that extracted with water. Measurement of antioxidant activity using the DPPH (2, 2 diphenyl-1-picrylhydrazyl) free radical scavenging method showed that the lyophilized actinidia pollen germinated with A. mellea had the highest and that germinated with L. edodes was lowest in antioxidant activities. The lyophilized actinidia pollen germinated with A. mellea was 2 to 4 times higher than that extracted with water in the antioxidant activity of DPPH free radical scavenging. Many germinated cells were formed around pore of actinidia pollen inoculated with L. edodes, while those were formed at the end of hyphae derived from actinidia pollen inoculated with A. mellea.
